<!--微信授权登录界面-->
<template>
    <view>
        <!-- #ifdef MP-WEIXIN -->
        <view v-if="isCanUse" class="back">
			<u-navbar
				title="微信授权登录"
				:safeAreaInsetTop="true"
				:fixed="true"
				bgColor="#FFFFFF00"
				:placeholder="true"
				@leftClick="onBackTouched"
			/>
			<view class="body">
				<view class='header'>
				    <image src='../../static/images/wx_icon.png'></image>
				</view>
				<u-gap height="50rpx" />
				<view class='content'>
				    <view>申请获取以下权限</view>
				    <text>获得你的公开信息(昵称，头像、地区等)</text>
				</view>
				
				<button class='bottom' type='primary' open-type="getUserInfo" withCredentials="true" lang="zh_CN" @getuserinfo="login">
				    授权登录
				</button>
			</view>
        </view>
        <!-- #endif -->
    </view>
</template>

<script>
    export default {
        data() {
            return {
                SessionKey: '',
                OpenId: '',
                nickName: null,
                avatarUrl: null,
                isCanUse: uni.getStorageSync('isCanUse')||true//默认为true
            };
        },
        methods: {
			
			onBackTouched(){
				uni.navigateBack({
					
				});
			},
          　//登录
			login() {
				let _this = this;
				uni.showLoading({
					title: '登录中...'
				});
			 
			   // 1.wx获取登录用户code
				uni.login({
					provider: 'weixin',
					success: function(loginRes) {
						console.log(loginRes);
						let code = loginRes.code;
						//2.将用户登录code传递到后台置换用户SessionKey、OpenId等信息
						uni.request({
							url: 'http://192.168.31.11:8888/app/v1/login/wechatlogin',
							data: {
								code: code,
							},
							method: 'POST',
							header: {
								'content-type': 'application/json'
							},
							success: (res) => {
								//openId、或SessionKdy存储//隐藏loading
								console.log("!!!!");
								console.log(res);
								uni.hideLoading();
							},
							fail: (e) => {
								console.log(e);
								uni.hideLoading();
							}
						});
					},
				});
			},
         
			onLoad() {//默认加载
				//this.login();
			}
		},
	}
</script>

<style scoped>
	
	.body{
		width: 100%;
		//background-color: #0081FF;
		position: relative;
	}
    .header {
        border-bottom: 1px solid #ccc;
        text-align: center;
        width: 750rpx;
        height: 300rpx;
        line-height: 450rpx;
		display: flex;
		flex-direction: row;
		align-items: center;
		justify-content: center;
    }

    .header image {
        width: 200rpx;
        height: 200rpx;
    }

    .content {
        margin-left: 50rpx;
        margin-bottom: 90rpx;
    }

    .content text {
        display: block;
        color: #9d9d9d;
        margin-top: 40rpx;
    }

    .bottom {
        border-radius: 80rpx;
        margin: 70rpx 50rpx;
        font-size: 35rpx;
    }
</style>
